Home / 5,396.67-8,075.75-3,917.61

Finding the Fourth Proportional to 5,396.67, 8,075.75 and 3,917.61

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Solution

The fourth proportional to 5,396.67, 8,075.75 and 3,917.61 is: 5,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.67 : 8,075.75 = 3,917.61 : x
  2. Step 2: Convert to fraction form
    5,396.67/8,075.75 = 3,917.61/x
  3. Step 3: Cross multiply
    5,396.67x = 8,075.75 × 3,917.61
  4. Step 4: Simplify right side
    5,396.67x = 31,637,619.37
  5. Step 5: Solve for x
    x = 31,637,619.37/5,396.67
  6. Step 6: Final answer
    x = 5,862.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.